AI
CAD
Python
+12
Research
Engineering
Open Source
FreeCAD
Writing
Linux
Problem Solving
Flexible
Infrastructure
Positioning
Recruiting
Planning
AI Trainer – Electrical Engineers - CAD/Python Expertise (Remote Advisory) About Prolific Prolific is not just another player in the AI space – we are building the biggest pool of quality human data in the world.
English
AI
Coaching
+5
Monitoring
Calibration
Voice Recording
Conversational AI
Quality Monitoring
We are looking for a Session Director to support live, supervised voice recording sessions for a multilingual conversational AI project.
Annotation
Operations
AI
+12
Collaboration
Empathy
Transcription
Localization
English
macOS
Audio Collection
Android SDK
iOS SDK
Documentation
Artificial Intelligence
Data Collection
🌟 Join Sigma.AI – Shaping the Future of Artificial Intelligence 🌍 🔹 What is Sigma? Sigma is a leading global technology company specializing in data collection and annotation for Artificial Intelligence.
Russian
AI
Captioning
+9
Communication
Transcription
Accuracy
Consistency
Annotation
Subtitling
Attention to Detail
Listening Skills
Audio Review
Babel Audio сотрудничает с ведущими технологическими компаниями для сбора высококачественных голосовых данных, используемых для обучения передовых моделей ИИ.
Segmentation
CT
MRI
+12
Histopathology
Annotation
X-ray
Compliance
Radiology
Nursing
Research
Calibration
Onboarding
Image Segmentation
Medical Annotation
Guideline Compliance
You'll draw precise segmentation masks over anatomical structures in CT scans, MRI slices, X-rays, and histopathology slides using DICOM-compatible tools such as OHIF Viewer or ITK-SNAP.
AI
Accuracy
Instruction Following
+10
Annotation
Writing
Calibration
Analysis
Verification
Summarization
Large Language Models
Language Models
Prompt Evaluation
Creative Writing
You'll evaluate prompt-response pairs generated by large language models, scoring them across dimensions like factual accuracy, instruction-following, coherence, and appropriate refusal behavior.
Robotics
AI
Precision
+12
Annotation
Quality Assurance
Reasoning
CAD
Modeling
GIS
Interpretation
Data Classification
Object Detection
Bounding Boxes
Scale AI
Spatial Reasoning
You'll annotate 3D point cloud data captured by LiDAR sensors, placing tight cuboid bounding boxes around objects like vehicles, pedestrians, cyclists, and static obstacles. Data originates from autonomous vehicle test drives and robotics platforms.
Bioinformatics
AI
Biology
+10
Annotation
Research
Reasoning
Flexible
Accuracy
Documentation
Computational Biology
Content Creation
Data Annotation
Technical Specifications
Our global AI Community is a vibrant network of more than one million contributors from diverse backgrounds who help customers collect, enhance, train, translate, and localize content to build better AI models.
Valuation
Figma
Linear
+12
Notion
Leadership
Patents
Education
Institutions
Marketing
Brand Design
History
Product Design
Design Systems
UX Design
Company Valuation
We're expanding our expert network with exceptional product design leaders whose work has shaped products used by millions of people and created measurable business value at global scale.
Mercor is seeking experimental scientists and engineers across inorganic synthesis, characterization, superconductors, and semiconductors (including advanced packaging) to support a frontier AI research lab building models for materials science and the physical sciences.
AI
Research
Semiconductors
+12
Chemistry
Training
Reasoning
Accuracy
Troubleshooting
Mechanical Systems
XRD
SEM
TEM
XPS
Engineering
Physics
Mercor is seeking experts in Atomic Layer Deposition (ALD) and thin-film processes to support a frontier AI research lab building models for semiconductors and the physical sciences.
We're looking for engineers who have shipped production search systems (especially agentic ones now that we're in the era of LLMs and agents) and are thinking hard about the requirements and optimizations of those systems.
AI
CAD
Research
+12
Engineering
Open Source
FreeCAD
Python
Writing
Linux
Problem Solving
OpenFOAM
Flexible
Infrastructure
Positioning
Recruiting
AI Trainer – Aerospace Engineers - CAD Expertise (Remote Advisory) About Prolific Prolific is not just another player in the AI space – we are building the biggest pool of quality human data in the world.
AI
Training
Healthcare
+12
Research
Flexible
Operations
Management
Organization
Forecasting
Microsoft Teams
Communication
Annotation
Writing
AI Training
Healthcare Research
What if your clinical trial expertise could directly shape how AI understands and reasons about healthcare research? We're looking for experienced Clinical Study Managers to oversee the operational execution of clinical trials — and in doing so, contribute to some of the most…
AI
Training
Make
+12
Flexible
Communication
Organization
Accuracy
Precision
Consistency
English
Writing
Editing
Research
Communications
Assurance
What if your curiosity, critical thinking, and eye for quality could directly influence how AI communicates with millions of people?
AI
Healthcare
Writing
+10
Accuracy
Reasoning
Diagnosis
Planning
Pharmacology
Nursing
Medical Reasoning
Clinical Diagnosis
Treatment Planning
Patient Safety
Medical Experts (doctors, nurses, PAs, etc.) help train and evaluate how AI models reason about clinical and healthcare topics in a variety of ways.
Remote US project for active Google Workspace users to rate Workspace Personalization evals: creating prompts, evaluating multi-chatbot responses across Gmail, Chat, Calendar, and Drive, and submitting structured feedback. Up to 40 hours/week, up to 4 months.
Remote freelance role reviewing and labeling data on physical activity, exercise, and movement patterns (wearable sensor data, logs, video, or text) to support AI/health models. Annotate activity type, intensity, and movement quality. 8-week contractor engagement.
English
AI
Annotation
+12
Training
Reporting
Calibration
Operations
Management
Triage
Assurance
Quality Assurance
Slack
Channels
Webinars
Spreadsheets
Location: Remote Type of contract: Freelance Languages required: English Hourly Rate: Include the rate you are comfortable with on your CV. About ProlificProlific is not just another player in the AI space. We are building the biggest pool of quality human data in the world.
Remote freelance role labeling and evaluating data on food intake, dietary patterns, and nutrition information to support AI models for nutrition tracking, coaching, or research. Annotate food items, portions, and nutrient content. 8-week contractor engagement.
Remote freelance role reviewing and annotating text, audio, or survey data on mood, stress, and emotional states to support responsible AI in mental health. Apply validated frameworks and safety-escalation protocols. 8-week contractor engagement.
Remote US project for small business owners (>10 employees) to rate AI Workspace Personalization evals: creating business prompts, evaluating multi-chatbot responses, and submitting structured feedback.
Remote freelance role annotating and evaluating sleep-health data (sleep-tracker data, logs, self-reports) to support AI models focused on sleep health. Annotate sleep stages, quality indicators, and disturbances. 8-week contractor engagement.
Remote freelance role evaluating LLM outputs on health coaching and behavior change. Assess AI-generated coaching conversations for accuracy, safety, empathy, and effectiveness against best-practice coaching frameworks. 8-week contractor engagement.
